/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.struts2.convention.annotation;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * <!-- START SNIPPET: javadoc -->
 * <p>
 * This annotation allows an interceptor to be applied to an action. If
 * this annotation is used at the class level, then the interceptor
 * will be applied to all actions defined on that class, and will be applied
 * before the ones defined at the method level.
 * </p>
 * <!-- END SNIPPET: javadoc -->
 */
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.TYPE)
public @interface InterceptorRef {
    /**
     * @return name of the interceptor or interceptor stack
     */
    String value();

    /**
     * @return  The parameters passed to the interceptor. This is a list of strings that form a name/value
     *          pair chain, since creating a Map for annotations is not possible. An example would be:
     *          <code>{"key", "value", "key2", "value2"}</code>.
     */
    String[] params() default {};
}
